Islington Weather Forecast

    • 18
    • 23

    Shower or two. Storm

    • 16
    • 28

    Late shower or two

    • 18
    • 33

    Possible shower

    • 18
    • 23

    Shower or two

    • 17
    • 22

    Cloudy

    • 17
    • 26

    Partly cloudy

    • 16
    • 29

    Sunny

Today 12 Dec Newcastle

Partly cloudy. High chance of showers, becoming less likely this evening. A thunderstorm likely during the morning and afternoon, possibly severe with heavy rain which may lead to flash flooding. Light winds becoming easterly 15 to 20 km/h in the middle of the day then becoming light in the evening.

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  • Temperature Forecast Bureau of Meteorology

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Islington Temperature Statistics View More

December Temperature

Newcastle (Nobbys) (4km)

  • Lowest 2 December, 2025

    11.3 °C

  • Average December

    21.6 °C

  • Highest 5 December, 2025

    36.1 °C

Climate (2020–Present)

Newcastle (Nobbys) (4km)

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  • Average Low 2020–2025

    15.3 °C

  • Average 2020–2025

    18.5 °C

  • Average High 2020–2025

    22.3 °C
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